[linux-audio-dev] Audio synchronization, MIDI API

John Check j4strngs at bitless.net
Mon Aug 16 07:42:33 UTC 2004


On Sunday 15 August 2004 05:36 am, Dan Hollis wrote:
> On Sun, 15 Aug 2004, Steve Harris wrote:
> > But if youre going to do that, why use ethernet? You'd need dedicated
> > NICs and switches, so you may as well use firewire, which has dedicated
> > realtime channels, more bandwidth and doesnt require switching. 400meg
> > Firewire cards are down to about 7 or 8 euros in the UK now.
>
> about the same as gigabit ethernet nics :-)
>
> but it's much easier to find a 48 port ethernet switch than a 48 port
> firewire hub :-)
>
> so topology of ethernet is easier + cheaper for large deployments.
>
> for small cluster of 2-3 PCs firewire may be easier, as long as they're
> physically near each other (few meters).
>
> > The only disadvantage is that you can't (right now) cheaply run firewire
> > over long distances, but taht will change once firewire over CAT5 cards
> > come down in price, and this is rarely an issue with clusters anyway.
>
> can you do broadcast over firewire? its one obvious usage for ethernet :-)
> afaik all firewire transfers are ptp.
>

Funny you mention that because Nelson's implementation uses corba for 
discovery, but he says that broadcasting is sufficient.

> btw doesn't gibson have an ethernet protocol?
>
> -Dan



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